/*
 * Copyright 2013-2018 Lilinfeng.
 *  
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.phei.netty.protocol.udp;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioDatagramChannel;

/**
 * @author lilinfeng
 * @date 2014年2月14日
 * @version 1.0
 */
public class ChineseProverbServer {
	
	public void run(int port) throws Exception {
		EventLoopGroup group = new NioEventLoopGroup();
		try {
			Bootstrap b = new Bootstrap();
			b.group(group)
				.channel(NioDatagramChannel.class)
				//支持Socket广播
				.option(ChannelOption.SO_BROADCAST, true)
				
				//设置业务处理，相对TCP通信，UDP不存在客户端和服务器端的实际连接，因此不需要为连接（ChannelPipeline）
				//设置handler,对于服务端，只需要设置启动辅助类的handler即可。
				.handler(new ChineseProverbServerHandler());
			
			b.bind(port).sync().channel().closeFuture().await();
		} finally {
			group.shutdownGracefully();
		}
	}

	public static void main(String[] args) throws Exception {
		int port = 8080;
		if (args.length > 0) {
			try {
				port = Integer.parseInt(args[0]);
			} catch (NumberFormatException e) {
				e.printStackTrace();
			}
		}
		new ChineseProverbServer().run(port);
	}
}
